Rebaseline more tests that look OK.

webkit/tools/layout_tests/test_expectations.txt

 // This file consists of lines with specifications of what
 // to expect from layout test cases. The test cases can be directories
 // in which case the expectations apply to all test cases in that
 // directory and any subdirectory. The format of the file is along the
 // lines of:
 //
 // LayoutTests/fast/js/fixme.js = FAIL
 // LayoutTests/fast/js/flaky.js = FAIL PASS
 // LayoutTests/fast/js/crash.js = CRASH TIMEOUT FAIL PASS
 //
@@ skipping 882 matching lines @@
 
 // This test fails because of an oddity in stroke width calculation. A
 // line is stroked horizontally from Y=100 with stroke width 100, we consider
 // it to be occupying the scan lines from Y=50 to Y=149 inclusive, which
 // is a total of 100 lines. Apple expects it to be occupying Y=150 as
 // well. The specification isn't very specific on which behavior is correct,
 // but I feel like ours makes more sense.
 // The crash started occuring after the WebKit merge 43242:43321
 BUG992321 : LayoutTests/svg/custom/stroke-width-click.svg = FAIL CRASH
 
-// These tests all pass simplified diff, but fail full text diffs due to
-// positions and/or widths that deviate from Apple's expectations by varying
-// degrees. These are almost certainly nonbugs, but won't be rebased until
-// we can say for sure.
 // The red marker is not drawing the same way as the mac.
 BUG992321 LINUX WIN : LayoutTests/svg/custom/marker-changes.svg = PASS FAIL
+
 // 11 numbers differ, by an absolute total of 4.69
 BUG992321 : LayoutTests/svg/custom/use-on-symbol-inside-pattern.svg = FAIL
-// There are gaps in the whiskers of the tiger
-BUG992321 LINUX WIN : LayoutTests/svg/hixie/perf/001.xml = FAIL
-BUG992321 LINUX WIN : LayoutTests/svg/hixie/perf/002.xml = FAIL
-// 1 numbers differ, by an absolute total of 1.00
+
 BUG992321 LINUX WIN : LayoutTests/svg/hixie/text/003.html = FAIL
 
 // SVG combined with font metrics.
 BUG992321 LINUX : LayoutTests/svg/hixie/text/001-broken.xml = FAIL
 
 // This is an interesting one.
 // The test has an error which causes it to output a message to the console.
 // Apple's expected results include this error. Actually, Apple's expected
 // results include the error twice, because (apparently unique among console
 // debugging messages) it's generated during rendering. The problem is that
@@ skipping 1487 matching lines @@
 // New Linux crashes and failures. Why are we running platform/mac test on Linux?
 BUG13314 LINUX : LayoutTests/platform/mac/accessibility/accesskey.html = CRASH FAIL
 
 // WebKit 44438:44544
 BUG13721 LINUX : LayoutTests/fast/dynamic/positioned-movement-with-positioned-children.html = FAIL
 
 // New test added in WebKit 44550:
 BUG13767 : LayoutTests/fast/js/JSON-stringify.html = FAIL TIMEOUT
 
 // WebKit 44646:44668
-BUG14061 WIN LINUX : LayoutTests/svg/filters/subRegion-one-effect.svg = FAIL
-BUG14061 WIN LINUX : LayoutTests/svg/filters/subRegion-two-effects.svg = FAIL
 
 BUG14207 WIN LINUX DEBUG : LayoutTests/tables/mozilla/bugs/bug28341.html = PASS FAIL
 
 // Newly added test http://trac.webkit.org/changeset/44816
 BUG14673 : LayoutTests/http/tests/xmlhttprequest/cross-origin-no-authorization.html = FAIL CRASH TIMEOUT
 
 // WebKit 44837:44872
 BUG14772 WIN LINUX : LayoutTests/fast/canvas/image-object-in-canvas.html = FAIL
-BUG14771 WIN LINUX : LayoutTests/svg/batik/filters/feTile.svg = FAIL
-BUG14771 WIN LINUX : LayoutTests/svg/filters/feTile.svg = FAIL
 
 // Need investigation: test shell crashers.
 BUG14752 LINUX : LayoutTests/http/tests/cache/subresource-expiration.html = CRASH PASS
 BUG14751 LINUX DEBUG: LayoutTests/css2.1/atrule_longest_match.html = CRASH PASS
 BUG14767 LINUX : LayoutTests/dom/html/level1/core/documentgetdoctypenodtd.html = CRASH PASS
 
 BUG14832 : LayoutTests/editing/selection/user-drag-element-and-user-select-none.html = FAIL
 BUG14831 : LayoutTests/fast/events/event-trace.html = FAIL
 
 // WebKit 44922:44927
@@ skipping 21 matching lines @@
 // WebKit 45086:45111
 BUG15270 LINUX WIN : LayoutTests/svg/custom/js-update-image-and-display.svg = FAIL
 BUG15270 LINUX WIN : LayoutTests/svg/custom/js-update-image-and-display2.svg = FAIL
 BUG15270 LINUX WIN : LayoutTests/svg/custom/js-update-image-and-display3.svg = FAIL
 BUG15270 : LayoutTests/fast/js/excessive-comma-usage.html = FAIL
 
 // WebKit 45134:45176
 BUG15403 SKIP : LayoutTests/http/tests/security/clipboard/clipboard-file-access.html = FAIL
 
 // WebKit 45203:45247
-BUG15460 : LayoutTests/media/audio-controls-rendering.html = FAIL
 BUG15460 : LayoutTests/media/video-controls-rendering.html = FAIL
-BUG15460 : LayoutTests/media/video-empty-source.html = FAIL
 BUG15460 : LayoutTests/media/video-zoom-controls.html = FAIL
+// Already rebaselined for Linux and Windows, may just need rebaseline
+BUG15460 MAC : LayoutTests/media/audio-controls-rendering.html = FAIL
+BUG15460 MAC : LayoutTests/media/video-empty-source.html = FAIL
 
 // WebKit 45247:45270
 BUG15478 SKIP : LayoutTests/fast/frames/viewsource-on-image-file.html = FAIL
 BUG15478 SKIP : LayoutTests/platform/qt/fast/events/event-sender-keydown-frame.html = FAIL
 
 // WebKit 45270:45287
 BUG15490 LINUX : LayoutTests/editing/deleting/25322-1.html = PASS CRASH
 
 // Flaky for a while on DEBUG; also related to BUG17974
 BUG15267 WIN LINUX : LayoutTests/transitions/cancel-transition.html = PASS FAIL
@@ skipping 372 matching lines @@
 BUG_LEVIN WIN LINUX : LayoutTests/fast/block/float/avoidance-percent-width-compat.html = FAIL
 BUG_LEVIN WIN LINUX : LayoutTests/fast/block/float/avoidance-percent-width-strict.html = FAIL
 BUG_LEVIN WIN LINUX : LayoutTests/fast/block/float/float-avoidance.html = FAIL
 BUG_LEVIN WIN LINUX : LayoutTests/fast/reflections/reflection-overflow-scroll.html = FAIL
 BUG_LEVIN WIN LINUX : LayoutTests/fast/text/monospace-width-cache.html = FAIL
 BUG_LEVIN WIN LINUX : LayoutTests/tables/mozilla/bugs/bug106158-1.html = FAIL
 
 // Fallout from webkit 47265:47277
 BUG_MBELSHE : LayoutTests/fast/js/Array-isArray.html = FAIL
 BUG_MBELSHE LINUX : LayoutTests/fast/overflow/image-selection-highlight.html = CRASH